Senior Salesforce Test Engineer

Location: Remote (occasional travel to Swindon)

Contract: Until 30 September 2026

IR35: Inside

Clearance: BPSS required

Rate: Up to £550 per day (Umbrella)

About the Role

We are seeking an experienced Senior Salesforce Test Engineer to support a major public sector digital programme. You will play a key role in ensuring the quality and reliability of enterprise Salesforce solutions across complex integrated systems, contributing across the full software delivery lifecycle.

Key Responsibilities

• Functional, integration, exploratory, and non-functional testing
• Test automation using Playwright and BDD (Cucumber)
• API testing using Postman or Rest Assured
• Collaboration with Salesforce developers on unit test coverage
• Supporting UAT with business analysts
• Managing defects through to resolution
• Maintaining and improving regression test suites
• Supporting release and DevOps processes
• Mentoring junior testers
• Stakeholder reporting and demos

Essential Skills & Experience

• Strong Salesforce (SFDC) platform experience
• Salesforce functional & integration testing
• Salesforce Admin 201 or equivalent experience
• Playwright automation experience
• BDD frameworks (Cucumber)
• API testing tools (Postman / Rest Assured)
• JavaScript or Java scripting (read/write ability)
• Experience testing React-based applications
• Agile delivery experience
• CI/CD and DevOps understanding

Desirable Experience

• ISTQB or Agile Tester certification
• ITIL Foundation
• Apex (basic scripting/reading)
• Loans & Investment application experience
• Conga templates
• FinDock & GoCardless integrations
• Experience delivering digital transformation programmes

About You

You are a senior test engineer with strong Salesforce expertise and a passion for automation and quality engineering. You are confident working across technical and business teams, mentoring others, and improving testing practices in Agile and DevOps environments.